Home / 21,629.25-29,848.41-11,693.25

Finding the Fourth Proportional to 21,629.25, 29,848.41 and 11,693.25

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Solution

The fourth proportional to 21,629.25, 29,848.41 and 11,693.25 is: 16,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.25 : 29,848.41 = 11,693.25 : x
  2. Step 2: Convert to fraction form
    21,629.25/29,848.41 = 11,693.25/x
  3. Step 3: Cross multiply
    21,629.25x = 29,848.41 × 11,693.25
  4. Step 4: Simplify right side
    21,629.25x = 349,024,920.23
  5. Step 5: Solve for x
    x = 349,024,920.23/21,629.25
  6. Step 6: Final answer
    x = 16,136.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.